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12530664147050 = 252746177661383
BaseRepresentation
bin1011011001011000010111…
…0010010000100001101010
31122100220211112021212212222
42312112011302100201222
53120300300010201200
642352301352234042
72432211352565450
oct266260562204152
948326745255788
1012530664147050
113aa1252267895
1214a463a09b922
136cb83769aa6a
143146b75309d0
1516ae40b1bd85
hexb6585c9086a

12530664147050 has 48 divisors (see below), whose sum is σ = 26694392199552. Its totient is φ = 4286908286400.

The previous prime is 12530664147047. The next prime is 12530664147059. The reversal of 12530664147050 is 5074146603521.

It is a junction number, because it is equal to n+sod(n) for n = 12530664146992 and 12530664147010.

It is not an unprimeable number, because it can be changed into a prime (12530664147059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38669342 + ... + 38992041.

It is an arithmetic number, because the mean of its divisors is an integer number (556133170824).

Almost surely, 212530664147050 is an apocalyptic number.

12530664147050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12530664147050 is an abundant number, since it is smaller than the sum of its proper divisors (14163728052502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12530664147050 is a wasteful number, since it uses less digits than its factorization.

12530664147050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77661863 (or 77661858 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 12530664147050 in words is "twelve trillion, five hundred thirty billion, six hundred sixty-four million, one hundred forty-seven thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 461 922 2305 3227 4610 6454 11525 16135 23050 32270 80675 161350 77661383 155322766 388306915 543629681 776613830 1087259362 1941534575 2718148405 3883069150 5436296810 13590742025 27181484050 35801897563 71603795126 179009487815 250613282941 358018975630 501226565882 895047439075 1253066414705 1790094878150 2506132829410 6265332073525 12530664147050